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authorLennart Poettering <lennart@poettering.net>2015-11-01 21:49:19 +0100
committerLennart Poettering <lennart@poettering.net>2015-11-01 21:49:19 +0100
commit638b56cd3c703651013033b82000d2a9f2732048 (patch)
tree700e985b06b7b1095a2be7f9d62a674333a76fd7
parenta47806fafaec9a52a80e1795ad880b9b5008c4b8 (diff)
sd-daemon: verify NOTIFY_SOCKET path length
Better generate a real error then simply connect to the wrong socket.
-rw-r--r--src/libsystemd/sd-daemon/sd-daemon.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c
index c7887804df..27045e25d0 100644
--- a/src/libsystemd/sd-daemon/sd-daemon.c
+++ b/src/libsystemd/sd-daemon/sd-daemon.c
@@ -436,6 +436,11 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
goto finish;
}
+ if (strlen(e) > sizeof(sockaddr.un.sun_path)) {
+ r = -EINVAL;
+ goto finish;
+ }
+
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
if (fd < 0) {
r = -errno;